TWI787105B - Electric bicycle - Google Patents

Abstract

An electric bicycle includes a bicycle frame having a containing space and a first locking hole, first and second battery sockets, a sliding block having a second locking hole, a screw, a sliding slot structure formed on the first battery socket, and a battery module. The first and second battery sockets are disposed at two sides of the containing space respectively. The screw passes through the first locking hole to be pre-screwed into the second locking hole for connecting the sliding block to the bicycle frame. The sliding slot structure slidably jackets the sliding block in a transverse direction and is sandwiched tightly between the sliding block and the bicycle frame when the screw continues to be screwed into the second locking hole for fixing the first battery socket on the bicycle frame. Two ends of the battery module are detachably connected to the first and second battery sockets.

Description

electric bicycle

The present invention relates to an electric bicycle, in particular to an electric bicycle in which the installation position of the battery seat on the vehicle frame can be adjusted through the sliding socket fit between the block and the channel structure of the battery seat.

Generally speaking, an electric bicycle includes a motor, which is used to drive the tires of the electric bicycle to rotate, and then drive the electric bicycle forward. In order to drive the motor, an additional battery needs to be installed between the front and rear battery holders locked on the frame (for example, the front and rear battery holders are locked on the upper tube or lower tube connected to the front of the car) to supply the motor for running The power required at the time. The common battery holder installation design is to directly form a long hole or a large round hole on the frame, or an additional adapter bracket with a frame lock hole and a battery holder lock hole is installed between the frame and the front and rear battery holders to Allows the user to lock the front and rear battery holders at a position that can adapt to the length of the battery by adjusting the locking position of the screw for subsequent battery installation. However, the above-mentioned design often has the problems of insufficient frame hole precision and the additionally installed adapter brackets will increase the overall size of the frame and the installation is time-consuming and labor-intensive.

Therefore, the object of the present invention is to provide an electric bicycle in which the installation position of the battery holder on the vehicle frame can be adjusted through the sliding fit between the block and the channel structure of the battery holder, so as to solve the above-mentioned problems.

According to an embodiment, the electric bicycle of the present invention includes a frame, a first battery seat and a second battery seat, a spacer, a positioning screw, a channel structure, and a battery module. The vehicle frame has an accommodating space and a first locking hole. The first battery seat and the second battery seat are respectively arranged on two sides of the accommodating space. The spacer has a second locking hole. The positioning screw passes through the first locking hole to be detachably pre-locked into the second locking hole on the spacer, so that the spacer is connected to the vehicle frame. The channel structure is formed on the first battery seat and is slidably and laterally sleeved on the cushion block, so that the cushion block clamps the vehicle frame up and down when the positioning screw continues to be locked into the second locking hole. The channel structure is used to fix the first battery seat on the vehicle frame. Both ends of the battery module are detachably connected to the first battery seat and the second battery seat.

In summary, the present invention adopts a design in which the installation position of the first battery holder on the vehicle frame can be adjusted through the sliding fit between the spacer and the channel structure of the first battery holder, allowing the user to The first battery holder on the vehicle frame can be quickly and conveniently locked at a position suitable for the length of the battery module. In this way, since there is no need to form a long hole or a large round hole on the vehicle frame and there is no need to connect the vehicle frame and An additional adapter bracket is installed between the front and rear battery holders. Therefore, the present invention can effectively solve the problems mentioned in the prior art that the frame opening accuracy is insufficient and the adapter bracket will increase the overall size of the frame and the installation is time-consuming and labor-intensive. Therefore, the design of the frame structure of the electric bicycle is simplified and the overall size of the frame is reduced, and the assembly accuracy and operation convenience of the electric bicycle on the fixing of the battery seat can be greatly improved.

The advantages and spirit of the present invention can be further understood through the following detailed description of the invention and the accompanying drawings.

Please refer to Fig. 1 and Fig. 2, Fig. 1 is a schematic diagram of an electric bicycle 10 proposed according to an embodiment of the present invention, and Fig. 2 is an exploded view of some components of the electric bicycle 10 in Fig. 1, as As shown in Figures 1 and 2, the electric bicycle 10 includes a vehicle frame 12, a first battery holder 14, a second battery holder 16, spacers 18, positioning screws 20, a channel structure 22, and a battery module 24, wherein The overall structure of the electric bicycle 10 is only presented with simple lines, and is not limited thereto, and the relevant descriptions for its electric drive design are common in the prior art, and will not be repeated here. The frame 12 adopts the frame design commonly used on electric bicycles (it may include common frame components such as upper tubes, lower tubes, and seat tubes, and its related descriptions will not be repeated here) and has accommodating space 26, at least one The first locking hole 28 (two shown in the second figure, but not limited thereto), the first battery holder 14 and the second battery holder 16 are respectively arranged on both sides of the accommodating space 26 and can be preferably Installed on the tube position on the vehicle frame 12 (as shown in Figure 1), but not limited to this, that is to say, as long as it utilizes the design of the frame tube structure on the vehicle frame of the electric bicycle to install the battery seat, The present invention is applicable to both. Both ends of the battery module 24 are detachably connected to the first battery holder 14 and the second battery holder 16 to provide power to the electric bicycle 10, so as to drive the wheels of the electric bicycle 10 to rotate, thereby assisting the user to ride effortlessly Go forward by electric bicycle 10.

Here is a detailed description of the locking design of the vehicle frame 12 and the first battery holder 14, please refer to Figure 2, Figure 3, Figure 4, and Figure 5, Figure 3 is the battery model of Figure 2 The assembly diagram of the group 24 installed on the frame 12, Figure 4 is a schematic cross-sectional view of the frame 12 equipped with the battery module 24 in Figure 3 along the section line A-A, and Figure 5 is the installation in Figure 3 The schematic cross-sectional view of the vehicle frame 12 with the battery module 24 along the section line B-B, as can be seen from Figures 2 to 5, the spacer 18 has a second locking hole 30 corresponding to the first locking hole 28, and the vehicle frame 12 may have at least one third locking hole 32 (two are shown in Figure 2, but not limited thereto), and the block 18 may preferably be an inverted T-shaped block structure (but not limited thereto ), and the channel shape of the channel structure 22 formed on the first battery seat 14 can be correspondingly inverted T-shaped to fit with the spacer 18 .

Through the above design, when the user wants to lock the first battery holder 14 and the second battery holder 16 on the frame 12, the user only needs to use a locking fixture (such as a screwdriver) to pass the positioning screw 20 The first locking hole 28 is detachably pre-locked into the second locking hole 30 on the pad 18, so that the pad 18 is connected to the vehicle frame 12, and the second battery holder 16 is fixed on the vehicle in a screw locking manner. The position corresponding to the third locking hole 32 on the frame 12 (for example, the screw 34 passes through the third locking hole 32 and locks into the fourth locking hole 36 of the second battery seat 16); The channel structure 22 on the first battery seat 14 can be horizontally sleeved on the spacer 18 that has been pre-locked on the frame 12. At this time, since the positioning screw 20 has not been locked, the user can move along the channel. The structure 22 slides the first battery holder 14 back and forth to adjust the first battery holder 14 relative to the second battery holder 16 to a position that can adapt to the length of the battery module 24; after completing the sliding adjustment operation of the first battery holder 14 After that, the user can continue to lock the positioning screw 20 into the second locking hole 30 to drive the spacer 18 to move relatively upward in the channel structure 22 to the position where the spacer 18 and the frame 12 clamp the channel structure 22 up and down. (as shown in Figure 5), so that the first battery holder 14 can be firmly installed on the frame 12, so that subsequent users can quickly complete the installation of the battery module 24 on the first battery holder 14 and the second battery The battery installation operation between the holders 16.

In summary, the present invention adopts a design in which the installation position of the first battery holder on the vehicle frame can be adjusted through the sliding fit between the spacer and the channel structure of the first battery holder, allowing the user to The first battery holder on the vehicle frame can be quickly and conveniently locked at a position suitable for the length of the battery module. In this way, since there is no need to form a long hole or a large round hole on the vehicle frame and there is no need to connect the vehicle frame and An additional adapter bracket is installed between the front and rear battery holders. Therefore, the present invention can effectively solve the problems mentioned in the prior art that the frame opening accuracy is insufficient and the adapter bracket will increase the overall size of the frame and the installation is time-consuming and labor-intensive. Therefore, the design of the frame structure of the electric bicycle is simplified and the overall size of the frame is reduced, and the assembly accuracy and operation convenience of the electric bicycle on the fixing of the battery seat can be greatly improved.

In practical application, it can be seen from Fig. 6 (which is a schematic structural block diagram of the battery module 24 in Fig. 2 and the vehicle frame 12 equipped with the first battery holder 14 and the second battery holder 16), that the first The battery holder 14 preferably has a first connector 15 (which can be electrically connected to the control circuit board of the electric bicycle 10 via wires), and the first end cover 38 of the battery module 24 has a corresponding to the first connector 15. The second connector 39, whereby when the user completes the above-mentioned fixing operation of the battery holder and connects the first end cover 38 and the second end cover 40 of the battery module 24 to the first battery holder 14 and the second battery holder 16 respectively After that, the battery module 24 can be electrically connected to the control circuit board of the electric bicycle 10 through the contact connection between the first connector 15 and the second connector 39, so as to be used for power control of the electric bicycle 10 in the future. The circuit design and power transmission control method of the electric bicycle 10 are commonly described in the prior art, and will not be repeated here. In addition, as shown in FIG. 6 , the user can use a ruler fixture (such as a ruler 42 ) that can adapt to the length of the battery module 24 to fix the specific position between the first battery holder 14 and the second battery holder 16 . distance, so as to accurately fix the first battery holder 14 on the vehicle frame 12, thereby further improving the assembly accuracy of the electric bicycle 10 on fixing the battery holder.

It is worth mentioning that the fixing design of the second battery holder is not limited to the above-mentioned embodiments, that is, as long as it is a connection design that can fix the second battery holder on the vehicle frame (such as the design of fixing the hook and groove), All of them can be used in the present invention. In addition, the installation position of the first battery holder on the vehicle frame can be adjusted through the sliding fit between the spacer and the channel structure of the first battery holder, which can also be applied to the second battery holder. The fixing between the frame and the frame allows the user to slide and adjust the installation positions of the first battery seat and the second battery seat on the frame, thereby improving the adjustment elasticity of the electric bicycle on the battery seat fixing to suit Batteries with different sizes and lengths are provided. As for the relevant description of the design of the sliding sleeve fit between the spacer and the second battery seat, it can be deduced by referring to the above-mentioned embodiments, and will not be repeated here. The above descriptions are only preferred embodiments of the present invention, and all equivalent changes and modifications made according to the scope of the patent application of the present invention shall fall within the scope of the present invention.

10: Electric bicycle 12: Frame 14: The first battery holder 15: First connector 16: Second battery holder 18: spacer 20: set screw 22: Channel structure 24: Battery module 26:Accommodating space 28: The first locking hole 30: Second locking hole 32: The third locking hole 34: screw 36: The fourth locking hole 38: First end cap 39:Second connector 40:Second end cap 42: Ruler

Fig. 1 is a schematic diagram of an electric bicycle proposed according to an embodiment of the present invention. Figure 2 is an exploded view of some components of the electric bicycle in Figure 1. Fig. 3 is an assembly diagram of the battery module in Fig. 2 installed on the vehicle frame. Fig. 4 is a schematic cross-sectional view of the vehicle frame equipped with the battery module in Fig. 3 along the section line A-A. Fig. 5 is a schematic cross-sectional view of the vehicle frame installed with the battery module in Fig. 3 along the section line B-B. Fig. 6 is a schematic block diagram of the structure of the battery module in Fig. 2 and the vehicle frame equipped with the first battery holder and the second battery holder.

12: Frame

14: The first battery holder

18: spacer

20: set screw

22: Channel structure

Claims (4)

An electric bicycle comprising: A vehicle frame, which has an accommodating space and a first locking hole; a first battery seat and a second battery seat, which are respectively arranged on both sides of the accommodating space; a spacer, which has a second locking hole; a set screw, which passes through the first locking hole to be detachably pre-locked into the second locking hole on the spacer, so that the spacer is connected to the vehicle frame; A channel structure, which is formed on the first battery seat and is slidably and laterally sleeved on the cushion block, so that the cushion block is clamped up and down with the vehicle frame when the positioning screw continues to be locked into the second locking hole Tighten the channel structure to fix the first battery holder on the vehicle frame; and A battery module, two ends of which are respectively detachably connected to the first battery seat and the second battery seat. The electric bicycle as described in claim 1, wherein the cushion block is an inverted T-shaped cushion structure, and the channel shape of the channel structure is inverted T-shaped to fit with the cushion block. The electric bicycle as described in claim 1, wherein the frame has a third locking hole, and the second battery holder is screwed to the third locking hole. The electric bicycle as described in claim 1, wherein a ruler is used to fix a specific distance between the first battery seat and a second battery seat, and the specific distance allows the battery module to be detachably connected to the second battery seat A battery seat is connected with the second battery seat.

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